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Global Watersheds, [30] web app and API; Stream Stats, [31] from the US Geological Survey, allows you to delineate watersheds in the US only; Model My Watershed, [32] by the Stroud Water Research Center, US only, can delineate watersheds based on an outlet point, and perform analyses related to water quality
GSSHA (Gridded Surface/Subsurface Hydrologic Analysis) [1] is a two-dimensional, physically based watershed model developed by the Engineer Research and Development Center of the United States Army Corps of Engineers. It simulates surface water and groundwater hydrology, erosion and sediment transport.
This is a list of free and open-source software for geological data handling and interpretation. The list is split into broad categories, depending on the intended use of the software and its scope of functionality.
MapWindow GIS was extended with a large number of watershed analysis plugins and was completely rebranded as BASINS by the United States Environmental Protection Agency. [9] A "cost efficient" modelling tool for distributed hydrologic modelling was created by Lei et al. [10] Fan et al. coupled a large scale water quality model with MapWindow ...
It supports river hydraulic and storm drain models, lumped parameter, regression, 2D hydrologic modeling of watersheds, and can be used to model both water quantity and water quality. As of January 2017, supported models include HEC-1, HEC-RAS, HEC-HMS, TR-20, TR-55, NFF, Rational, MODRAT, HSPF, CE-QUAL-W2, GSSHA, SMPDBK, and other models.
GIS revolutionized curation, manipulation, and input for complex computational hydrologic models [2] [3] For surface water modeling, digital elevation model are often layered with hydrographic data in order to determine the boundaries of a watershed. [4] Understanding these boundaries is integral to understanding where precipitation runoff will ...
The top fundraising campaign on crowdfunding platform GoFundMe in 2024 reflects what has been a major pain point for millions of Americans: inflation. The company's annual giving report shows that ...
SWAT is a continuous time model that operates on a daily time step at basin scale. The objective of such a model is to predict the long-term impacts in large basins of management and also timing of agricultural practices within a year (i.e., crop rotations, planting and harvest dates, irrigation, fertilizer, and pesticide application rates and timing).